There frequently are debilitated patients that look for transportation from medivac specialists because these case patients are not able to fly with the everyday airline establishments .. because they would be designated as being not in medically self sustaining circumstance. Case patients need an emergency room setup when these men or women fly. As they cannot go by the commercial airline establishments . That is when these are case patients which necessitate a respiratory therapist , air evacuation operations have to be used. Almost all air ambulance service oklahoma city oklahoma are privately -ran companies. Licenced medevac fleets often are looked up by clients as they are not being helped by a hospital volunteer. Ever so often there are med flight companies who help patients in whatever state they need the service.